Gemini 2.5 Flash vs Gemini 2.5 Pro
Gemini 2.5 Flash is cheaper than Gemini 2.5 Pro by about 75% on a blended (75% input / 25% output) basis. Gemini 2.5 Flash charges $0.30 / $2.50 per 1M input/output tokens; Gemini 2.5 Pro charges $1.25 / $10.00.
| Field | Gemini 2.5 Flash | Gemini 2.5 Pro |
|---|---|---|
| Input $/Mtok | $0.30 | $1.25 |
| Output $/Mtok | $2.50 | $10.00 |
| Cache read $/Mtok | $0.0300 | $0.13 |
| Cache write $/Mtok | – | – |
| Input $/Mchar | n/a | n/a |
| Output $/Mchar | n/a | n/a |
| Context window | 1048576 | 1048576 |
| Tokenizer | gemini | gemini |
| Confidence? | official | official |
| Source | official-google | official-google |
Confidence: official = vendor pricing page · api = OpenRouter per-host · aggregator = community list, may lag · unreviewed = automatic extraction awaiting review. When sources disagree the most authoritative wins. Details: /methodology#confidence
Price history
Same workload, monthly cost
Illustrative monthly cost at 10M tokens/month, split per workload preset. Not a substitute for the calculator, which uses your own volume, cache and batch assumptions.
| Workload | Gemini 2.5 Flash | Gemini 2.5 Pro |
|---|---|---|
| Coding agent | $4.10 | $16.88 |
| RAG chat | $6.30 | $25.63 |
| Summarisation (batch) | $5.20 | $21.25 |
| Classification | $3.44 | $14.25 |
| Chat assistant | $11.80 | $47.50 |
| Content generation | $20.60 | $82.50 |
Cite this page
Gemini 2.5 Flash vs Gemini 2.5 Pro: $0.30/$2.50 vs $1.25/$10.00 per 1M tokens as of 2026-10-04. Token Barometer by Dejan Strbad, https://tokenbarometer.com, data CC BY 4.0. https://tokenbarometer.com/compare/google_gemini-2.5-flash-vs-google_gemini-2.5-pro
Gemini 2.5 Flash page | Gemini 2.5 Pro page | Open in calculator